1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll b/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll
new file mode 100644
index 0000000..c9df800
--- /dev/null
+++ b/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll
@@ -0,0 +1,49 @@
+; RUN: llc < %s -march=c | \
+; RUN:   grep __BITCAST | count 14
+
+define i32 @test1(float %F) {
+        %X = bitcast float %F to i32            ; <i32> [#uses=1]
+        ret i32 %X
+}
+
+define float @test2(i32 %I) {
+        %X = bitcast i32 %I to float            ; <float> [#uses=1]
+        ret float %X
+}
+
+define i64 @test3(double %D) {
+        %X = bitcast double %D to i64           ; <i64> [#uses=1]
+        ret i64 %X
+}
+
+define double @test4(i64 %L) {
+        %X = bitcast i64 %L to double           ; <double> [#uses=1]
+        ret double %X
+}
+
+define double @test5(double %D) {
+        %X = bitcast double %D to double                ; <double> [#uses=1]
+        %Y = fadd double %X, 2.000000e+00                ; <double> [#uses=1]
+        %Z = bitcast double %Y to i64           ; <i64> [#uses=1]
+        %res = bitcast i64 %Z to double         ; <double> [#uses=1]
+        ret double %res
+}
+
+define float @test6(float %F) {
+        %X = bitcast float %F to float          ; <float> [#uses=1]
+        %Y = fadd float %X, 2.000000e+00         ; <float> [#uses=1]
+        %Z = bitcast float %Y to i32            ; <i32> [#uses=1]
+        %res = bitcast i32 %Z to float          ; <float> [#uses=1]
+        ret float %res
+}
+
+define i32 @main(i32 %argc, i8** %argv) {
+        %a = call i32 @test1( float 0x400921FB40000000 )                ; <i32> [#uses=2]
+        %b = call float @test2( i32 %a )                ; <float> [#uses=0]
+        %c = call i64 @test3( double 0x400921FB4D12D84A )               ; <i64> [#uses=1]
+        %d = call double @test4( i64 %c )               ; <double> [#uses=0]
+        %e = call double @test5( double 7.000000e+00 )          ; <double> [#uses=0]
+        %f = call float @test6( float 7.000000e+00 )            ; <float> [#uses=0]
+        ret i32 %a
+}
+